Company lists · Data refreshed November 2026
Top 25 Infrastructure testing services based in the United Kingdom
RevenueBase identified 72 company matches for infrastructure testing services associated with the United Kingdom as of November 2026 and tracks 2,941 professional contacts across them, including 408 with verified work emails. London is the largest hub.
This list covers company matches for infrastructure testing services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest infrastructure testing services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 426 contacts → | ||||
Exact match “At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 52 contacts → | ||||
Exact match “Sierra CP Engineering, your trusted engine and powertrain partner, providing innovative solutions to your testing and test cell requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 35 contacts → | ||||
Exact match “For the last 25 years, Group Management Electrical Surveys have been providing Electrical Inspection, Test and Documentation services to many of the UK's leading companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 29 contacts → | ||||
Exact match “Imagine a world where cyber threats are simply another challenge that you're fully equipped to handle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 23 contacts → | ||||
Exact match “Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 20 contacts → | ||||
Exact match “We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 19 contacts → | ||||
Exact match “Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 12 contacts → | ||||
Exact match “BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “WELCOME TO ALLIANCE INSPECTION LIMITED Alliance Inspection is a UK based Asset Integrity Management Company, also providing the full range of Non-Destructive Testing Services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Your Trusted CREST Certified Penetration Testing Partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Darvick offers sub-contract testing services, we are a specialist team who work collaboratively with customers to specify, design and deliver non-standard, complex or extreme…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “At Dig & Connect, we specialise in delivering expert water, gas, and electric infrastructure solutions for large-scale residential and commercial projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Specialist Technical Services (U.K) Limited (T/A: STS-UK), offers an extensive range of In-House and On-Site Testing, Inspection, Structural Monitoring and Environmental…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Appsecco Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Heretek is a specialist cyber security testing provider dedicated to protecting the critical infrastructure of the UK’s public sector, emergency services, healthcare, and finance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Headlight AI provides smart assessment and digitisation tools for critical underground infrastructure, with a focus on accurately locating and inspecting tunnels, sewers, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “At Securityium, we're dedicated to transforming the way you experience security testing for your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “At Maserfan we bring extensive experience in the field of testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “We are an independent security testing consultancy providing expertise in technical information assurance through security testing and incident response.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “infrastructure testing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 72 infrastructure testing services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 408 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infrastructure testing services based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 72 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “infrastructure testing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 408 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “infrastructure testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infrastructure testing services are there based in the United Kingdom?
RevenueBase identified 72 company matches for infrastructure testing services associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Resillion tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most infrastructure testing services?
London leads with 19 company records, followed by Worcester (4) and Manchester (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 408 professional contacts with verified work emails tracked across these 72 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 72 infrastructure testing services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Infrastructure testing services based in Italy
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- Infrastructure testing services based in the United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
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- Lists A-Z
- New lists
- Infrastructure testing services based in Australia
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Company intelligence · public preview
Top 25 infrastructure testing services based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 72 matching company records for infrastructure testing services based in the United Kingdom, with 2,941 tracked contacts and 408 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 infrastructure testing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Resillionresillion.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Sierra CP Engineering Limitedsierra-cp.comHQ: Worcester, United KingdomReported employees: 51-200 | Worcester, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Sierra CP Engineering, your trusted engine and powertrain partner, providing innovative solutions to your testing and test cell requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Group Management Electrical Surveys Limitedgroupmanagement.comHQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 35 contacts → |
“For the last 25 years, Group Management Electrical Surveys have been providing Electrical Inspection, Test and Documentation services to many of the UK's leading companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Procheckup PCUprocheckup.comHQ: Portsmouth, United KingdomReported employees: 11-50 | Portsmouth, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Imagine a world where cyber threats are simply another challenge that you're fully equipped to handle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Halo I.Shalo-is.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ATE Solutions LTDatesolutions.co.ukHQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Spin UK Limitedspinuk.comHQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SE Labsselabs.ukHQ: Wimbledon, United KingdomReported employees: 11-50 | Wimbledon, United Kingdom | 11-50 | Exact match | 18 contacts → |
“We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exactpro Systems Limitedexactprosystems.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Blugemblugem.comHQ: Barnstaple, United KingdomReported employees: 11-50 | Barnstaple, United Kingdom | 11-50 | Exact match | 12 contacts → |
“BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Alliance Inspectionallianceinspection.co.ukHQ: Chester, United KingdomReported employees: 11-50 | Chester, United Kingdom | 11-50 | Exact match | 11 contacts → |
“WELCOME TO ALLIANCE INSPECTION LIMITED Alliance Inspection is a UK based Asset Integrity Management Company, also providing the full range of Non-Destructive Testing Services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Curran IT & Electrical Services LTDcurranit.co.ukHQ: East Tilbury, United KingdomReported employees: 11-50 | East Tilbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Exosec Limitedexosec.co.ukHQ: Gaerwen, United KingdomReported employees: 1-10 | Gaerwen, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Your Trusted CREST Certified Penetration Testing Partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Darvick LTDdarvick.co.ukHQ: Brierley Hill, United KingdomReported employees: 1-10 | Brierley Hill, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Darvick offers sub-contract testing services, we are a specialist team who work collaboratively with customers to specify, design and deliver non-standard, complex or extreme…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  DIG & Connectdigandconnect.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“At Dig & Connect, we specialise in delivering expert water, gas, and electric infrastructure solutions for large-scale residential and commercial projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  NGS Securenccgroup.comHQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 7 contacts → |
“NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Specialist Technical Services U.K Limited - Sts-Uksts-group.co.ukHQ: Chester, United KingdomReported employees: 11-50 | Chester, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Specialist Technical Services (U.K) Limited (T/A: STS-UK), offers an extensive range of In-House and On-Site Testing, Inspection, Structural Monitoring and Environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Appseccoappsecco.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Appsecco Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Heretekheretek.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Heretek is a specialist cyber security testing provider dedicated to protecting the critical infrastructure of the UK’s public sector, emergency services, healthcare, and finance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Code Magus Limitedcodemagus.comHQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Strata Highways Limitedstratahighways.co.uk HQ: Leek, United KingdomReported employees: 1-10 | Leek, United Kingdom | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Headlight AIheadlight.aiHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Headlight AI provides smart assessment and digitisation tools for critical underground infrastructure, with a focus on accurately locating and inspecting tunnels, sewers, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Securityiumsecurityium.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“At Securityium, we're dedicated to transforming the way you experience security testing for your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Maserfan Consulting Limitedmaserfan.comHQ: Newbury, United KingdomReported employees: 1-10 | Newbury, United Kingdom | 1-10 | Exact match | 3 contacts → |
“At Maserfan we bring extensive experience in the field of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 7 Elements LTD7elements.co.uk HQ: Linlithgow, United KingdomReported employees: 1-10 | Linlithgow, United Kingdom | 1-10 | Exact match | 3 contacts → |
“We are an independent security testing consultancy providing expertise in technical information assurance through security testing and incident response.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Infrastructure testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
70 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 72 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for infrastructure testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many infrastructure testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 72 matching company records, 2,941 tracked contacts and 408 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Infrastructure testing services by geography
- Infrastructure testing services based in Australia
- Infrastructure testing services based in Brazil
- Infrastructure testing services based in Canada
- Infrastructure testing services based in France
- Infrastructure testing services based in Germany
- Infrastructure testing services based in India
- Infrastructure testing services based in Italy
- Infrastructure testing services based in the Netherlands
- Infrastructure testing services based in the United States
Cite this list
RevenueBase Data Team. Top 25 infrastructure testing services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/infrastructure-testing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Infrastructure testing services based in Australia
- Infrastructure testing services based in Brazil
- Infrastructure testing services based in Canada
- Infrastructure testing services based in France
- Infrastructure testing services based in Germany
- Infrastructure testing services based in India
Company intelligence · public preview
Top 25 infrastructure testing services based in the United Kingdom
RevenueBase records 72 matching company records for infrastructure testing services based in the United Kingdom, with 2,941 tracked contacts and 408 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 infrastructure testing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Resillionresillion.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sierra CP Engineering Limitedsierra-cp.com HQ: Worcester, United KingdomReported employees: 51-200 | Worcester, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Sierra CP Engineering, your trusted engine and powertrain partner, providing innovative solutions to your testing and test cell requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Group Management Electrical Surveys Limitedgroupmanagement.com HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 35 contacts → |
“For the last 25 years, Group Management Electrical Surveys have been providing Electrical Inspection, Test and Documentation services to many of the UK's leading companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Procheckup PCUprocheckup.com HQ: Portsmouth, United KingdomReported employees: 11-50 | Portsmouth, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Imagine a world where cyber threats are simply another challenge that you're fully equipped to handle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Halo I.Shalo-is.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ATE Solutions LTDatesolutions.co.uk HQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Spin UK Limitedspinuk.com HQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SE Labsselabs.uk HQ: Wimbledon, United KingdomReported employees: 11-50 | Wimbledon, United Kingdom | 11-50 | Exact match | 18 contacts → |
“We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exactpro Systems Limitedexactprosystems.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Blugemblugem.com HQ: Barnstaple, United KingdomReported employees: 11-50 | Barnstaple, United Kingdom | 11-50 | Exact match | 12 contacts → |
“BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Alliance Inspectionallianceinspection.co.uk HQ: Chester, United KingdomReported employees: 11-50 | Chester, United Kingdom | 11-50 | Exact match | 11 contacts → |
“WELCOME TO ALLIANCE INSPECTION LIMITED Alliance Inspection is a UK based Asset Integrity Management Company, also providing the full range of Non-Destructive Testing Services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Curran IT & Electrical Services LTDcurranit.co.uk HQ: East Tilbury, United KingdomReported employees: 11-50 | East Tilbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Exosec Limitedexosec.co.uk HQ: Gaerwen, United KingdomReported employees: 1-10 | Gaerwen, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Your Trusted CREST Certified Penetration Testing Partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Darvick LTDdarvick.co.uk HQ: Brierley Hill, United KingdomReported employees: 1-10 | Brierley Hill, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Darvick offers sub-contract testing services, we are a specialist team who work collaboratively with customers to specify, design and deliver non-standard, complex or extreme…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DIG & Connectdigandconnect.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“At Dig & Connect, we specialise in delivering expert water, gas, and electric infrastructure solutions for large-scale residential and commercial projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | NGS Securenccgroup.com HQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 7 contacts → |
“NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Specialist Technical Services U.K Limited - Sts-Uksts-group.co.uk HQ: Chester, United KingdomReported employees: 11-50 | Chester, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Specialist Technical Services (U.K) Limited (T/A: STS-UK), offers an extensive range of In-House and On-Site Testing, Inspection, Structural Monitoring and Environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Appseccoappsecco.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Appsecco Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Heretekheretek.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Heretek is a specialist cyber security testing provider dedicated to protecting the critical infrastructure of the UK’s public sector, emergency services, healthcare, and finance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Code Magus Limitedcodemagus.com HQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Strata Highways Limitedstratahighways.co.uk HQ: Leek, United KingdomReported employees: 1-10 | Leek, United Kingdom | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Headlight AIheadlight.ai HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Headlight AI provides smart assessment and digitisation tools for critical underground infrastructure, with a focus on accurately locating and inspecting tunnels, sewers, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Securityiumsecurityium.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“At Securityium, we're dedicated to transforming the way you experience security testing for your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Maserfan Consulting Limitedmaserfan.com HQ: Newbury, United KingdomReported employees: 1-10 | Newbury, United Kingdom | 1-10 | Exact match | 3 contacts → |
“At Maserfan we bring extensive experience in the field of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 7 Elements LTD7elements.co.uk HQ: Linlithgow, United KingdomReported employees: 1-10 | Linlithgow, United Kingdom | 1-10 | Exact match | 3 contacts → |
“We are an independent security testing consultancy providing expertise in technical information assurance through security testing and incident response.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Infrastructure testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
70 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 72 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for infrastructure testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many infrastructure testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 72 matching company records, 2,941 tracked contacts and 408 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 infrastructure testing services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/infrastructure-testing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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